Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666915 | Oil passage structure in an engine | Fuminori Kawashima, Hideo Ueshima, Yoshihito Tsuji, Masayuki Takahashi | 1997-09-16 |
KO
Keiji Ohtsu
Overall (All Time): #3,724,629 of 4,157,543Top 90%
1
Patents All Time